fix:edit logs error

app/Models/ActivityLog.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class ActivityLog extends Model
+{
+    public $timestamps = false;
+
+    protected $fillable = [
+        'admin_id',
+        'model_type',
+        'model_id',
+        'action',
+        'changes',
+        'created_at',
+    ];
+
+    protected $casts = [
+        'changes'    => 'array',
+        'created_at' => 'datetime',
+    ];
+
+    /**
+     * رابطه: هر لاگ متعلق به یک ادمین است.
+     */
+    public function admin()
+    {
+        return $this->belongsTo(Admin::class);
+    }
+}